USB Rechargeable gravity automatic pepper grinder with built-in Type C rechargeable battery and charging base, utilizing advanced charging technology. Economical to maintain compared to other battery-operated salt mills available. Requires only a USB charging cable; no need to purchase disposable batteries. Adjustable coarseness for salt and pepper grinders allows customization from fine to coarse by rotating the knob on top. Rotate clockwise for finer particles and counterclockwise for coarser grind. The adjustable system lets you choose your preferred texture. One-hand operation with a switch button controls the electric salt grinder. Indicator light shows standby mode. Press the button and tilt the shaker to start automatic grinding. Press the switch again to turn off (indicator light turns off). Thoughtful design helps prevent accidental power drain. Suitable for grinding sea salt, pepper, black pepper, red, white, garlic pepper, or other spices. Ideal for kitchen use, outdoor picnics, and BBQs. Makes a great gift. Note: Salt and pepper not included. Made from high-quality materials, eliminating risk of glass breakage and ensuring long-lasting durability. Premium ceramic mechanism effectively grinds tough peppercorns, sea salt, and various spices. Transparent body made of thickened material for easy monitoring of seasoning levels. Material: Plastic. Color: Black. Package contents: 2 x Grinder, 1 x Charging base, 1 x Charging cable, 1 x Cleaning brush. Only items listed are included. Note: Lighting and display differences may cause slight color variation between image and actual product. Measurement tolerance is +/- 1-3 cm. Please check product dimensions to ensure suitability. Detailed product information, features, and specifications are provided in the title and description. We aim for complete customer satisfaction. For any questions, feel free to reach out. Thank you for choosing our product—we hope you enjoy it.